Roller chain wear gauge



FIG. 1 is a perspective view of a first embodiment of a roller chain wear gauge;

FIG. 2 is a front view of the roller chain wear gauge of FIG. 1;

FIG. 3 is a back view of the roller chain wear gauge of FIG. 1, the back view being a mirror image of the front view shown in FIG. 2;

FIG. 4 is a left side view of the roller chain wear gauge, with respect to FIG. 2;

FIG. 5 is right side view of the roller chain wear gauge, with respect to FIG. 2;

FIG. 6 is a bottom view of the roller chain wear gauge, with respect to FIG. 2; and,

FIG. 7 is a top view of the roller chain wear gauge, with respect to FIG. 3. 

The ornamental design of the roller chain wear gauge, as shown and described. 